WordPress Appointment Hour Booking – Booking Calendar plugin <= 1.5.97 - Unauthenticated Stored DOM-Based Cross-Site Scripting vulnerability

Unauthenticated Stored DOM-Based Cross-Site Scripting vulnerability discovered by Zackary Loevseth in WordPress Plugin Appointment Hour Booking versions = 1.5.97...

CVE-2026-96573

The Appointment Hour Booking – Booking Calendar plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via Booking Form Single-Line Field via Schedule Calendar List Renderer in all versions up to, and including, 1.5.97 due to insufficient input sanitization and output escapin...

CVE-2026-96573 Appointment Hour Booking <= 1.5.97 - Unauthenticated Stored DOM-Based Cross-Site Scripting via Booking Form Single-Line Field via Schedule Calendar List Renderer

The Appointment Hour Booking – Booking Calendar plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via Booking Form Single-Line Field via Schedule Calendar List Renderer in all versions up to, and including, 1.5.97 due to insufficient input sanitization and output escapin...

EUVD-2026-90566

The Appointment Hour Booking – Booking Calendar plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via Booking Form Single-Line Field via Schedule Calendar List Renderer in all versions up to, and including, 1.5.97 due to insufficient input sanitization and output escapin...

CVE-2026-96573

The Appointment Hour Booking – Booking Calendar plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting (XSS) in versions up to and including 1.5.97 . The flaw stems from insufficient input sanitization and output escaping within the Booking Form Single-Line Field via the Sche...

CVE-2026-96573 Appointment Hour Booking <= 1.5.97 - Unauthenticated Stored DOM-Based Cross-Site Scripting via Booking Form Single-Line Field via Schedule Calendar List Renderer

The Appointment Hour Booking – Booking Calendar plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via Booking Form Single-Line Field via Schedule Calendar List Renderer in all versions up to, and including, 1.5.97 due to insufficient input sanitization and output escapin...

WordPress Appointment Hour Booking plugin < 1.5.95 - Unauthenticated Booking Capacity Bypass vulnerability

Unauthenticated Booking Capacity Bypass vulnerability discovered by Nicat in WordPress Plugin Appointment Hour Booking versions 1.5.95...

CVE-2026-86475

The Appointment Hour Booking WordPress plugin before 1.5.95 does not check every appointment in a booking submission against the capacity configured for its own slot, allowing unauthenticated visitors to take slots that are already fully booked...

CVE-2026-86475 Appointment Hour Booking < 1.5.95 - Unauthenticated Booking Capacity Bypass via Multi-Appointment Submission

The Appointment Hour Booking WordPress plugin before 1.5.95 does not check every appointment in a booking submission against the capacity configured for its own slot, allowing unauthenticated visitors to take slots that are already fully booked...

CVE-2026-86475

Appointment Hour Booking is a WordPress plugin that allows scheduling of time-based appointments. Versions prior to 1.5.95 are affected by a capacity validation flaw: when a multi-appointment booking submission is received, the plugin does not verify each individual appointment against the capaci...

CVE-2026-86475 Appointment Hour Booking < 1.5.95 - Unauthenticated Booking Capacity Bypass via Multi-Appointment Submission

The Appointment Hour Booking WordPress plugin before 1.5.95 does not check every appointment in a booking submission against the capacity configured for its own slot, allowing unauthenticated visitors to take slots that are already fully booked...

EUVD-2026-80220

The Appointment Hour Booking WordPress plugin before 1.5.95 does not check every appointment in a booking submission against the capacity configured for its own slot, allowing unauthenticated visitors to take slots that are already fully booked...

PT-2026-93332

The Appointment Hour Booking WordPress plugin before 1.5.95 does not check every appointment in a booking submission against the capacity configured for its own slot, allowing unauthenticated visitors to take slots that are already fully booked...

CVE-2026-86475: Improper Input Validation

The Appointment Hour Booking WordPress plugin before 1.5.95 does not check every appointment in a booking submission against the capacity configured for its own slot, allowing unauthenticated visitors to take slots that are already fully booked...

WordPress Appointment Hour Booking plugin < 1.5.88 - Unauthenticated Booking Price Manipulation via tcost Parameter vulnerability

Unauthenticated Booking Price Manipulation via tcost Parameter vulnerability discovered by Researcher1: Alessandro Greco aka Aleff; Researcher2: Giovambattista Ianni; Company/Organization: University of Calabria UNICAL in WordPress Plugin Appointment Hour Booking versions 1.5.88...

CVE-2026-66679

Unauthenticated Broken Access Control in Appointment Hour Booking = 1.5.91 versions...

CVE-2026-66679 WordPress Appointment Hour Booking plugin <= 1.5.91 - Broken Access Control vulnerability

Unauthenticated Broken Access Control in Appointment Hour Booking = 1.5.91 versions...

CVE-2026-66679

Unauthenticated Broken Access Control in Appointment Hour Booking = 1.5.91 versions...

CVE-2026-66679 WordPress Appointment Hour Booking plugin <= 1.5.91 - Broken Access Control vulnerability

Unauthenticated Broken Access Control in Appointment Hour Booking = 1.5.91 versions...

CVE-2026-66679

WordPress plugin Appointment Hour Booking (≤1.5.91) has an unauthenticated broken access control flaw, allowing network-based attackers to alter data or cause partial disruption. No in-the-wild exploitation is reported; updating to version 1.5.92+ is recommended.